APA (7th ed.) Citation

Koenig, D. a., (curator), I. S. U. S. C. a. U. A., Dinsmore, J. J., & Huber, J. E. (1997). Darwin Koenig letter to James J. Dinsmore regarding summer bird sightings, July 31, 1997.

Chicago Style (17th ed.) Citation

Koenig, Darwinet al, Iowa State University. Special Collections and University Archives (curator), James J. Dinsmore, and James E. Huber. Darwin Koenig Letter to James J. Dinsmore Regarding Summer Bird Sightings, July 31, 1997. 1997.

MLA (9th ed.) Citation

Koenig, Darwinet al, et al. Darwin Koenig Letter to James J. Dinsmore Regarding Summer Bird Sightings, July 31, 1997. 1997.